參考答案：21.D) It caused the largest number of casualties.
22.C) the badly damaged ship leaned toward one side
23.B) felt guilty for their crimes in World War ll
24.D) By depicting the sunrvival of ayoung pregnant Woman
25.A) they will be misunderstood if they talk about the Wilhelm Gustloff tragedy
26.B) they are often incapable of catering to the needs of talented students
27.A) to provide support for his argument
28.C) could not cope with theistudies at school successfully
29.A) mainly to parental help and their education at home
30.C) school courses failed to inspire or motivate them
31.D) is more prevalent in business circles
32.D) lawmakers are inclined to give a free hand to businesses to inquire into customer's buying habits
33. A) you fail to cancel it within the specified period
34. B) it is considered “transaction and experience ”information unprotected by law
35. C) consumers' privacy will continue to be invaded
36. D) the low efficiency of the immigration and Nnaturalization Service
37. B) ward offterrorist suspects at the border
38. C) might stay on for as long as they wished
39. C) has over-emphasized its service functions at the expense of the nations security
40. A) they might have kept away foreign students and cheap labor
